Individual Calculations May 2011
 Croad, Nicholas  Total change: -13.80  Rating chartPersonal card
 Southend Open 2011 Southend ENG 2011-04-22
RcRownchangeKK*chgGame
 2099 2290 3.50 6 -0.92 15 -13.80 
  Merry, Alan B 1979 ENG1.0010.14152.10 
  Ledger, Stephen C 2060 ENG0.001-0.7915-11.85 
  Amato, Giampiero 1987 ITA1.0010.14152.10 
  Bonafont, Philip R 2170 ENG1.0010.34155.10 
  O`Toole, George E 2152 ENG0.501-0.1915-2.85 
  Haydon, David L 2247 ENG0.001-0.5615-8.40 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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